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Photoluminescent (Glow in the Dark) Masterbatc
and other Specialist Effects for plastics.

Glow4u supplies Photoluminescent (Glow-in-the-Dark) and other Specialist 
Masterbatch such as Fluorescent Thermo Chromic, Photo Chromic and
 UV Responsive/Reactive in a range of polymers at competitive prices 
with no minimum orders and fast delivery times.

All enquiries for our Masterbatch please email us in the first instance with your
project, name and contact details and we will be delighted to help and provide best advice.  
email: masterbatch@glow4u.com

Glow4u UltraGlow :- Masterbatch 
Offers processors an easy and convenient way of adding
 our performance enhancing specialist pigments to our range of polymers. This technique delivers a combination 
of cost savings and technical benefits including, reduction in cleaning costs, optimum dispersion 
and hence reliable colour and performance properties in the finished product.
End use
Injection moulding, blow moulding, profile extrusion, sheet extrusion, film extrusion, cast film and
 calendared sheet processes commonly employ our Masterbatch.
Colours available are natural Yellow/Green, Ultra Blue and Aqua Blue, also we can make any daylight tinted colours to order.
The benefits can be summarised as follows:
Optimum dispersion of Ultra Glow pigments with or without other additives.
Dust free, no health and safety risks in comparison to undispersed fine powder pigments and additives
Elimination of 'trial and error' developments or formulations as this all done by Glow4u for colour and consistency.
Reduction in purging/cleaning costs
Ultra Glow Masterbatch that is added to a base polymer imparts Glow-in-the-Dark properties that are both Bright an
d long lasting features. It is usually supplied in granular form, as pellets similar in size to most polymers. 
We offer polymer specific Ultra Glow Masterbatch that is produced using the same base polymer group as the type
 being used by the processor to deliver the client outstanding enhanced Glow properties across a broad range of polymers. 
Our polymer specific Masterbatch may be added at up to 40 or 50% high loadings without compatibility problems. 
What to use 
End use will always influence the type of Masterbatch chosen. Toys and food packaging 
for example have to be produced from materials made
 with 'controlled' ingredients and engineering products will demand reliable high 
performance properties. Typically, an off-the-shelf Masterbatch
formulation, chosen for colour but incorporating premium priced additives for high specification polymers,
 when used in an 'uncontrolled' application in a low temperature commodity polymer, 
would be grossly over-engineered and unnecessarily expensive. 
Other typical determining factors might be service conditions such as weatherability or light fastness, for example. 
How Masterbatch is made
In simple terms, manufacture is a two-stage process: gathering ingredients and then mixing them together 
by applying heat and shear to produce an homogenized pellet. Generally high or low speed 
mixers are used to produce a pre-mix of the additives which is then compounded on roller mills, kneaders, single or twin screw extruders. 
Even distribution (dispersion) and development (breaking down) of the additives throughout the carrier are essential.
 This processing depends on several key elements: formulation, quality of raw materials, quality of mixing and 
compounding plant. Finally, the finished Masterbatch is palletised (die-face) not ground.
Using our Masterbatch
Masterbatch can be introduced to the processors' base polymer on the production line in a number of ways,
 the most successful methods being volumetric or gravimetric dosing.
 In both techniques, the Masterbatch is added directly into the polymer stream immediately before processing. 
Volumetric dosing has the advantage of relatively low capital investment
but requires calibrating every time the batch or colour is changed (depending on the bulk density of the material).
 Gravimetric dosing is extremely accurate.
Wall thickness and opacity requirements all affect dosage. Although influenced by homogenisation and dosage level,
 getting the loading right for the production of transparent colours is particularly tricky, as any imperfection is clearly visible. 
Sometimes it is useful to go for a weaker Masterbatch so the demands
 on homogenisation and dosage are reduced.
Our Masterbatch may be stored for up to five years ensuring that it is kept Dry and at stable Temperature.

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